Nail gun



FIG. 1 is a front elevational view of a nail gun showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof taken from the left side ofFIG. 1;

FIG. 4 is a side elevational view thereof taken from the right side ofFIG. 1;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front and left side perspective view thereof; and

FIG. 8 is a top, front and left side perspective view similar to FIG. 7,with its knob shown in an exploded position.

The ornamental design for a nail gun, as shown and described.